Home / 60,531.72-83,507.40-37,831.20

Finding the Fourth Proportional to 60,531.72, 83,507.40 and 37,831.20

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Solution

The fourth proportional to 60,531.72, 83,507.40 and 37,831.20 is: 52,190.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,531.72 : 83,507.40 = 37,831.20 : x
  2. Step 2: Convert to fraction form
    60,531.72/83,507.40 = 37,831.20/x
  3. Step 3: Cross multiply
    60,531.72x = 83,507.40 × 37,831.20
  4. Step 4: Simplify right side
    60,531.72x = 3,159,185,150.88
  5. Step 5: Solve for x
    x = 3,159,185,150.88/60,531.72
  6. Step 6: Final answer
    x = 52,190.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.